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Finding the Fourth Proportional to 18,846.56, 26,008.20 and 10,463

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Solution

The fourth proportional to 18,846.56, 26,008.20 and 10,463 is: 14,438.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,846.56 : 26,008.20 = 10,463 : x
  2. Step 2: Convert to fraction form
    18,846.56/26,008.20 = 10,463/x
  3. Step 3: Cross multiply
    18,846.56x = 26,008.20 × 10,463
  4. Step 4: Simplify right side
    18,846.56x = 272,123,796.60
  5. Step 5: Solve for x
    x = 272,123,796.60/18,846.56
  6. Step 6: Final answer
    x = 14,438.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.